Es una lástima que haya que demoler el teatro centenario; es parte de nuestra historia.It's a pity that the hundred-year-old theater has to be demolished; it's part of our history.

This means that the noun can be masculine or feminine, depending on the gender of person it refers to (e.g. el doctor, la doctora).

masculine or feminine noun

2. (hundred-year anniversary)

a. centenary

El año que viene celebraremos el centenario de la fundación de nuestra ciudad.Next year we celebrate the centenary of the foundation of our city.

b. centennial

Regionalism used in the United States

(United States)

En la fiesta del centenario vamos a vestirnos con trajes tradicionales.For the celebration of the centennial we will wear traditional costumes.

3. (hundred-year-old person)

a. centenarian

Gracias a los avances de la ciencia, el número de centenarios superó al del siglo anterior.Thanks to the development of science, the number of centenarians is higher than in the past century.

centenario

An adjective is a word that describes a noun (e.g. the big dog).

adjective

1. (persona)

a. in his/her hundreds

2. (institución, edificio)

a. century-old

A noun is a word referring to a person, animal, place, thing, feeling or idea (e.g. man, dog, house).

Noun

3. (general)

a. centenary

quinto centenariofive hundredth anniversary